@article{CM_1937__4__308_0,
author = {Kerner, Michael},
title = {Abstract differential geometry},
journal = {Compositio Mathematica},
volume = {4},
year = {1937},
pages = {308-341},
zbl = {0017.02203},
language = {en},
url = {http://dml.mathdoc.fr/item/CM_1937__4__308_0}
}
Kerner, Michael. Abstract differential geometry. Compositio Mathematica, Tome 4 (1937) pp. 308-341. http://gdmltest.u-ga.fr/item/CM_1937__4__308_0/